Corresponding author: Angelos A. Arseniou MD, PhD, 1st Cardiology Dpt, University Hospital of Ioannina, St. Niarchou Avenue, po 45500, Ioannina, Greece. Tel +302651099347-350.; 1st Cardiology Dpt, University Hospital of Ioannina, Greece
Dimitrios N. Nikas
1st Cardiology Dpt, University Hospital of Ioannina, Greece
Konstantinos V. Stamatis
1st Cardiology Dpt, University Hospital of Ioannina, Greece
Dimitrios G. Sfairopoulos
1st Cardiology Dpt, University Hospital of Ioannina, Greece
Konstantinos D. Pappas
2nd Cardiology Dpt, University Hospital of Ioannina, Greece